﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Diagnostics;

namespace ByteSite.WinClient.Common
{
    public class ProcessHelper
    {
        /// <summary>
        /// 执行DOS命令，返回DOS命令的输出
        /// </summary>
        /// <param name="dosCommand">dos命令</param>
        /// <param name="milliseconds">等待命令执行的时间（单位：毫秒），
        /// 如果设定为0，则无限等待</param>
        /// <returns>返回DOS命令的输出</returns>
        public static string Execute(string command, int seconds = 15)
        {
            string output = ""; //输出字符串
            if (command != null && !string.IsNullOrEmpty(command))
            {
                Process process = new Process();//创建进程对象
                ProcessStartInfo startInfo = new ProcessStartInfo();
                startInfo.FileName = "cmd.exe";//设定需要执行的命令
                startInfo.Arguments = "/C " + command;//“/C”表示执行完命令后马上退出
                startInfo.UseShellExecute = false;//不使用系统外壳程序启动
                startInfo.RedirectStandardInput = false;//不重定向输入
                startInfo.RedirectStandardOutput = true; //重定向输出
                startInfo.CreateNoWindow = true;//不创建窗口
                process.StartInfo = startInfo;
                try
                {
                    if (process.Start())//开始进程
                    {
                        if (seconds == 0)
                        {
                            process.WaitForExit();//这里无限等待进程结束
                        }
                        else
                        {
                            process.WaitForExit(seconds); //等待进程结束，等待时间为指定的毫秒
                        }
                        output = process.StandardOutput.ReadToEnd();//读取进程的输出
                    }
                }
                catch
                {
                }
                finally
                {
                    if (process != null)
                        process.Close();
                }
            }
            return output;
        }


        public static string RunProcess(string fileName, string appParam, bool noWindow)
        {
            bool returnValue = false;
            try
            {
                Process myProcess = new Process();
                ProcessStartInfo myProcessStartInfo = new ProcessStartInfo(fileName, appParam);
                myProcessStartInfo.CreateNoWindow = noWindow;
                myProcessStartInfo.WindowStyle = (noWindow ? ProcessWindowStyle.Hidden : ProcessWindowStyle.Normal);
                myProcess.StartInfo = myProcessStartInfo;
                returnValue = myProcess.Start();

                //while (!myProcess.HasExited)
                //{
                //    myProcess.WaitForExit();
                //}

                //returnValue = myProcess.ExitCode;
                //myProcess.Dispose();
                //myProcess.Close();

            }
            catch (Exception ex)
            {
                return ex.Message;
            }

            return returnValue ? "success" : "fail";
        }
    }
}
